FALLS CHURCH, Va., Sept. 14, 2012 -- Northrop Grumman Corporation (NYSE:NOC) was commended by the Carbon Disclosure Project (CDP) for actions it is taking to reduce emissions and mitigate the risks of climate change. The company was one of 15 firms featured in CDP's Carbon Performance Leadership Index (CPLI). The CPLI highlights those companies within the S&P 500 Index that have demonstrated a strong approach to climate strategy and emissions reduction in their CDP responses. Northrop Grumman improved its environmental disclosure score from the CDP from 80 to 90 over the past year.

Paul Simpson, chief executive officer of CDP, said, "Companies in the Carbon Performance Leadership Index are demonstrating a clear commitment to manage their greenhouse gas emissions and take action on climate change. Organizations which work to reduce their emissions and integrate climate change issues into their business strategies have the potential for cost savings, revenue-generating opportunities and ultimately, a more resilient future."

The S&P 500 report provides information that institutional investors can use to differentiate between companies based on their environmental strategy and emissions. The report, including the names of companies featured in the CPLI, and the methodology used for evaluation, may be found at
www.cdproject.net
.

Northrop Grumman is a leading global security company providing innovative systems, products and solutions in aerospace, electronics, information systems and technical services to government and commercial customers worldwide. Please visit
www.northropgrumman.com
for more information.